[  488.098581] netdevsim netdevsim545 eni545np1: renamed from eth1
[  488.194805] netdevsim netdevsim266 eni266np1: renamed from eth0
[  488.417492] Could not find device with ifindex 2000 in netnsfd 11
[  488.417848] Could not find netns with fd: 2000
[  488.417978] Cannot link a netdevsim to itself
[  488.418127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).